/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package dvd.servlets;

import dvd.gestionnaires.gestionnaireDvd;
import dvd.modeles.Film;
import dvd.modeles.Panier;
import java.io.IOException;
import java.io.PrintWriter;
import javax.ejb.EJB;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

@WebServlet(name = "ServletPanier", urlPatterns = {"/ServletPanier"})
public class ServletPanier extends HttpServlet {

    @EJB
    private gestionnaireDvd gestionnaireDVD;

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

       
        PrintWriter out = response.getWriter();
        String action = request.getParameter("action");
        String id = request.getParameter("idfilm");
        String forwardTo = "";
        HttpSession session = request.getSession(true);
        if (action != null) {
            if (action.equals("ajouterPanier")) {
                if (session.getAttribute("panier") != null) {
                    Panier p = (Panier) session.getAttribute("panier");
                    Film f = gestionnaireDVD.getFilmFromId(Integer.parseInt(id));
                    p.ajouterProduit(f);
                    session.setAttribute("panier", p);
                } else {
                    Panier p = new Panier();
                    Film f = gestionnaireDVD.getFilmFromId(Integer.parseInt(id));
                    p.ajouterProduit(f);
                    session.setAttribute("panier", p);

                }
                forwardTo = "index.jsp";
                RequestDispatcher dp = request.getRequestDispatcher("index.jsp");
                dp.forward(request, response);
            }
            // suppression d'un film dans le panier
            if (action.equals("supprimerProduit")) {
                if (session.getAttribute("panier") != null) {
                    //si le panier existe : 
                    Panier p = (Panier) session.getAttribute("panier");
                    Film f = gestionnaireDVD.getFilmFromId(Integer.parseInt(id));
                    p.supprimerProduit(f);
                    session.setAttribute("panier", p);
                  
                    forwardTo = "index.jsp";
                }

            }
        }
         RequestDispatcher dp = request.getRequestDispatcher("index.jsp");
                dp.forward(request, response);

    }
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">

    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
